Those musical bits on Who Wants to Be a Millionaire

They have changed a little since Regis Philbin hosted the show, I admit…
Are there names for those short bits of music?
For example, the dramatic passage just before some questions appear…it was a lot more dramatic originally…I call it the “descend riff,” because the stage lights move downward as the music runs.
Then there’s the bit that plays during the audience-vote lifeline, which used to be accompanied by lights circling the center of the stage until the audience’s vote is toted up…

Musical stinger?

Yeah, that’s a good word…a TV encyclopedia I have used it for the musical bits on *Dragnet *when Sgt. Friday spoke some telling remark…